ˈrōz ə nˌbu̇ˌshīt noun
( -s )
Etymology: Norwegian rosenbuschit, from Harry Rosenbusch died 1914 German geologist + Norwegian -it -ite
: a mineral (Ca,Na) 3 (Zr,Ti)Si 2 O 8 F consisting of a silicate and fluoride of zirconium, titanium, sodium, and calcium